org.apache.hudi.common.table.timeline

Class HoodieInstant

java.lang.Object

org.apache.hudi.common.table.timeline.HoodieInstant

All Implemented Interfaces:

Serializable, Comparable<HoodieInstant>

public class HoodieInstant
extends Object
implements Serializable, Comparable<HoodieInstant>

A Hoodie Instant represents a action done on a hoodie table. All actions start with a inflight instant and then create a completed instant after done.

See Also:

HoodieTimeline, Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HoodieInstant.State Instant State.

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator<HoodieInstant>	ACTION_COMPARATOR
static Comparator<HoodieInstant>	COMPARATOR
static String	EMPTY_FILE_EXTENSION
static Comparator<HoodieInstant>	STATE_TRANSITION_COMPARATOR

Constructor Summary

Constructors

Constructor and Description
HoodieInstant(boolean isInflight, String action, String timestamp)
HoodieInstant(HoodieInstant.State state, String action, String timestamp)
HoodieInstant(HoodieInstant.State state, String action, String timestamp, String stateTransitionTime)
HoodieInstant(StoragePathInfo pathInfo) Load the instant from the meta FileStatus.

Method Summary

Modifier and Type	Method and Description
int	compareTo(HoodieInstant o)
boolean	equals(Object o)
static String	extractTimestamp(String fileName)
String	getAction()
static String	getComparableAction(String action)
String	getFileName() Get the filename for this instant.
HoodieInstant.State	getState()
String	getStateTransitionTime()
static String	getTimelineFileExtension(String fileName)
String	getTimestamp()
int	hashCode()
boolean	isCompleted()
boolean	isInflight()
boolean	isRequested()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ACTION_COMPARATOR

public static final Comparator<HoodieInstant> ACTION_COMPARATOR

COMPARATOR

public static final Comparator<HoodieInstant> COMPARATOR

STATE_TRANSITION_COMPARATOR

public static final Comparator<HoodieInstant> STATE_TRANSITION_COMPARATOR

EMPTY_FILE_EXTENSION

public static final String EMPTY_FILE_EXTENSION

See Also:

Constant Field Values

Constructor Detail

HoodieInstant

public HoodieInstant(StoragePathInfo pathInfo)

Load the instant from the meta FileStatus.

HoodieInstant

public HoodieInstant(boolean isInflight,
                     String action,
                     String timestamp)

HoodieInstant

public HoodieInstant(HoodieInstant.State state,
                     String action,
                     String timestamp)

HoodieInstant

public HoodieInstant(HoodieInstant.State state,
                     String action,
                     String timestamp,
                     String stateTransitionTime)

Method Detail

getComparableAction

public static String getComparableAction(String action)

extractTimestamp

public static String extractTimestamp(String fileName)
                               throws IllegalArgumentException

Throws:

IllegalArgumentException

getTimelineFileExtension

public static String getTimelineFileExtension(String fileName)

isCompleted

public boolean isCompleted()

isInflight

public boolean isInflight()

isRequested

public boolean isRequested()

getAction

public String getAction()

getTimestamp

public String getTimestamp()

getFileName

public String getFileName()

Get the filename for this instant.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

getState

public HoodieInstant.State getState()

getStateTransitionTime

public String getStateTransitionTime()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(HoodieInstant o)

Specified by:

compareTo in interface Comparable<HoodieInstant>

toString

public String toString()

Overrides:

toString in class Object